Coupling device for construction material



FIG. 1 is a front, top and left side perspective view of a coupling device for construction material showing my new design in full lines with the broken lines showing of environmental association matter being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is an enlarged front, bottom and left side perspective view of the coupling device for construction material;

FIG. 3 is a front, bottom and right side perspective view of the coupling device for construction material;

FIG. 4 is an enlarged left side elevational view of the coupling device for construction material;

FIG. 5 is a front elevational view of the coupling device for construction material;

FIG. 6 is a back elevational view of the coupling device for construction material;

FIG. 7 is a top plan view of the coupling device for construction material;

FIG. 8 is a bottom plan view of the coupling device for construction material; and,

FIG. 9 is a right side elevational view of the coupling device for construction material. 

The ornamental design for a coupling device for construction material, as shown an described. 